I do not believe in immortality of the individual, and I consider ethics to be an exclusively human concern with no superhuman authority behind it.
I am not only a pacifist but a militant pacifist. I am willing to fight for peace. Nothing will end war unless the people themselves refuse to go to war.
Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.
Most of the fundamental ideas of science are essentially simple, and may, as a rule, be expressed in a language comprehensible to everyone.
It gives me great pleasure indeed to see the stubbornness of an incorrigible nonconformist warmly acclaimed.
In matters of truth and justice, there is no difference between large and small problems, for issues concerning the treatment of people are all the same.